<div class="positionbg">
    <span>您当前所在位置：<a href="/">首页</a>
        @foreach($site_map as $key=>$val)
            &gt; <a title='{{$val['title']}}' href='/i/{{$val['id']}}'>{{$val['title']}}</a>
        @endforeach
    </span>
</div>